I don't understand what napaak means? but after intercourse you need to do ghusl, if you tap that into google it should advise how... if you can't find it let me know and i'll just post it here for you...

you do not need to do ghusl straight after intercourse, for example at night you can sleep and wake up in time to make ghusl before fajr salat.

if any objects have discharges on them then they can just be rinsed, you can touch them weather you have purified yourself or not, you just can't touch the Quran until your pure.

i don't know what you mean by kalme, but during ghusl you are supposed to make wudu, after you leave the bathroom you should say, ASHADU AN LA ILAHA ILLALLAH WA ASHADU ANNA MUHAMMADAN RASULULLAH. “ I BEAR WITNESS THAT THERE IS NO GOD WORTHY OF WORSHIP .. just like you do each time you make wudu, a wudu is not complete without it.....

1 - After intercourse you and your husband become napaak in the sense that neither of you can touch the Quran without making Ghusl. And you and your husband become napaak to pray, so you and your husband have to do ghusl to pray.

2 - To read the kalme after every showering implies that before showering you became kafir , no one becomes kafir after having sex.

It is a sunnah and is recommended to read the kalema after doing wudhu, So you can read the kalema after wudhu/ghusl for the reward of sunnah.

I suggest you get in touch with a knowledgable lady Imam/Sheikh and regularly attend Islamic classes to learn more about Islam. It seems that you are misinformed in many subjects in Islam. It is your duty to correct your actions according what is right in Islam and seek knowledge regarding it.

In order not to get deviated ask for proof from Quran and hadith whoever asks you to do something saying it is a part of Islam.

I want to ask tht if after intercourse we touch anything excrpt quran....will that become napaak??? Plz i want to know...i mean if i touch anything that is spelled by some wafiza...will that become naapak??